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• VISMinutes20210219

Agenda/Minutes on 2021/2/19

Zoom Meeting

CRY+VIS Interface Meeting

13:30-

Participants:

Post O3 Upgrade portal

• Schedule for IX: Released on 2/18. BF was overload.
• Schedule for IY: Disconnection is scheduled on 3/11.
• Schedule for EX: Connection is scheduled in the week of 3/15.
• Corrugate tube fixing jig: Re-measurement is planed in 2/26-3/1 at IYV.
• Commissioning in air: Commissioning of IX will be started. Other schedule has not been decided yet.
• Commissioning in vacuum:
• Acceptance check: Cryo-payload in IX/EX and Type-A tower in EY/IX are on going.
• PF actuator: Not evaluated in IX, but after the commissioning for suspension.
• Jig for FC painting: Assembling.

VIS Meeting

14:00-

Participants:

Progress report

Schedule

JGW-L2011475-v26

General

General

Summary:

[Ikeda] Investigation of the cable length for network cable and temperature control in center are was done. Investigation for both end station was not. [1,2] [Miyo] Automation script to make the foton files was made. In this week I reproduce the OSEMINF foton file for all Type-Bp suspension by suing the script. This script will help us to avoid human error.

1. 15737 We investigated the network connection. , satoru.ikeda

   • 16028 Comment, satoru.ikeda

2. 16036 Cabling for temperature control equipment , satoru.ikeda

3. 16038 Initialize the OSEMINF filters for all Type-Bp suspensions , kouseki.miyo

   • 16040 Comment, kouseki.miyo

Type-C

MCF Summary:

• 16041 Recovery of IMC suspension , ryutaro.takahashi

  • 16049 Comment, naohisa.satou

• 16041 Recovery of IMC suspension , ryutaro.takahashi

Type-A

EY Summary:

• 15993 Setup of F2 , ryutaro.takahashi

  • 16023 Comment, ryutaro.takahashi

  • 16034 Comment , ryutaro.takahashi

  • 16050 Comment , ryutaro.takahashi

IX Summary:

• 16055 Setup of BF with the released cryo-payload , ryutaro.takahashi

Type-Bp

PR2

Summary: [Miyo] I connected the cables for PRM minirack because these had been disconnected from Fujimi-sangyo clean work.

• 16054 PR2 minirack is moved to 2nd floor , kouseki.miyo

PR3 Summary:

• 15889 Traverser motor test and cabling. , fabian.arellano

  • 16027 Comment, satoru.ikeda

• 15976 Picomotor of PR3_BF_T(Motor2) got stuck , satoru.ikeda

  • 16024 Comment, fabian.arellano

  • 16026 Comment , satoru.ikeda

  • 16032 Comment , fabian.arellano

  • 16043 Comment , fabian.arellano

  • 16052 Comment , fabian.arellano

  • 16056 Comment , fabian.arellano

PRM Summary:

• 16048 Operation check of Picomotor of PRM IM and BF , satoru.ikeda

Type-B

SR3 Summary:

• 15963 IM ballast mass adjustment , fabian.arellano

  • 16009 Comment, fabian.arellano

• 16007 Ballast mass adjustment on top of BF , fabian.arellano

  • 16018 Comment, fabian.arellano

  • 16035 Comment , fabian.arellano

Electronics (Tanaka-san)

Control (Miyo)

Towards O4

• Type-B/Bp remedy work is on going.
• Installation of Type-A is on going in EY.
• Schedule.

  • Chart

• Procedure documents.

  • Type-A tower installation

  • Limit switches

  • Limit switch connecting guide

  • Replacement of TF blades

  • Wire gluing in PR3

  • Type-B remedying work

• Criteria in the acceptance test.

  • Inspection document (sample)

Safety

Discussion

• When will we do the recovering work for type-Bp suspensions?

• Cabling style of the thermistors is reviewed by SEO?

Travel Plans

The week from 2/22

• Takahashi: 2/23-2/28
• Sato: 2/23-26
• Hirata: 2/23-26
• Yano: 2/23-26

The week from 3/1

• Takahashi: 3/1-5
• Sato: 3/1-5
• Hirata: 3/1-5
• Yano: 3/1-5

Next meeting

• On 2020/2/26(Fri)